--- a/arch/powerpc/boot/dts/taishan.dts
+++ b/arch/powerpc/boot/dts/taishan.dts
@@ -423,5 +423,6 @@
chosen {
linux,stdout-path = "/plb/opb/serial@40000300";
+ bootargs = "console=ttyS1,115200 root=/dev/mtdblock1 rootfstype=squashfs noinitrd";
};